Question

8 (0,6х — 4) — 2 (0,2х — 3)＝-17,2

Answer 1

Пошаговое объяснение:

$8(0.6x - 4) - 2(0.2x - 3) = - 17.2 \\ 4.8x - 32 - 0.4x + 6 = - 17.2 \\ 4.4x - 32 + 6 = - 17.2 \\ 4.4x - 26 = - 17.2 \\ 4.4x = - 17.2 + 26 \\ 4.4x = 8.8 \\ x = 88 \div 44 \\ x = 2$